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Forum: OpenFOAM

September 28, 2010, 03:08

Replies: 43

simpleFoam convergence on large domain

Views: 12,763

Posted By spej

I know that my peclet-number is to high for an...

I know that my peclet-number is to high for an stable solution. but why have other authors with fluent or cfx convergent solutions with a second order CDS on a coarse mesh?! I read papers where they...

Forum: OpenFOAM

September 27, 2010, 04:37

Replies: 43

simpleFoam convergence on large domain

Views: 12,763

Posted By spej

Hi Foamers, I try to simulate the flow in a...

Hi Foamers,

I try to simulate the flow in a cyclone. Yet I have good results for the kepsilon, RNG kepsilon and very good results for the dynSmagorinsky. But I figured out that the RSM-solution...

Forum: OpenFOAM

September 24, 2010, 03:09

Replies: 43

simpleFoam convergence on large domain

Views: 12,763

Posted By spej

You're right Alberto. I uploaded my setup. ...

You're right Alberto.
I uploaded my setup.

http://rapidshare.com/files/420918426/OpenFOAM_cyclone.rar

I hope anybody can get me some useful hints.
kind regards!

Forum: OpenFOAM

September 21, 2010, 05:40

Replies: 43

simpleFoam convergence on large domain

Views: 12,763

Posted By spej

Hi Foamers, i refresh my mesh up to 3,6 mio...

Hi Foamers,
i refresh my mesh up to 3,6 mio cells and i still have convergence problems. There are also very high Pe-numbers in the range of 5000. I set for the velocity-boundary 10 m/s and for the...

Forum: OpenFOAM

September 16, 2010, 03:49

Replies: 43

simpleFoam convergence on large domain

Views: 12,763

Posted By spej

Hi Alberto, i believe that my results are...

Hi Alberto,

i believe that my results are diffuse. But I'm confused my results with the kEpsilon-modell are quiet better than the results of the RSTM modells (LRR and LaunderGibsonRSTM) when i...

Forum: OpenFOAM

September 15, 2010, 04:16

Replies: 43

simpleFoam convergence on large domain

Views: 12,763

Posted By spej

Hi beauty, i have the same problem. my...

Hi beauty,

i have the same problem. my lower turbulence-models convergence very well. but my rsm does only convergence with the linearUpwindV cellLimited Gauss linear 1, but i get poor results...

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